His software allows the user to create a functioning analog base station for several retro phone networks used in Europe and the United States, such as AMPS, TACS, NMT, Radiocom, and C450.

including a bag-phone and some test equipment, and set out to build a base station that can control AMPS handsets. In short, he’s creating his own analog cellphone tower. There’s a wealth of ...

HD Radio allows conventional (or terrestrial) AM and FM stations to broadcast their content over digital signals. Appropriating an abbreviation from high-definition TV, HD Radio offers better ...